Change shader handling

openVulkanoCpp/Vulkan/VulkanDrawContext.hpp

@@ -10,10 +10,18 @@ namespace openVulkanoCpp::Vulkan
 {
 	class VulkanDrawContext
 	{
+		VulkanShader* m_lastShader = nullptr;
+
 	public:
 		size_t encoderThreadId;
 		size_t currentImageId;
 		vk::CommandBuffer& commandBuffer;
 		Renderer* renderer;
+
+		VulkanDrawContext(size_t encThreadId, size_t currentImgId, vk::CommandBuffer& buffer, Renderer* render)
+			: encoderThreadId(encThreadId), currentImageId(currentImgId), commandBuffer(buffer), renderer(render)
+		{}
+
+		void EncodeShader(Scene::Shader* shader);
 	};
 }